diff --git a/documentation/ref-manual/ref-classes.xml b/documentation/ref-manual/ref-classes.xml
index e64f88bf1f..c2eac809be 100644
--- a/documentation/ref-manual/ref-classes.xml
+++ b/documentation/ref-manual/ref-classes.xml
@@ -1922,6 +1922,18 @@
     </para>
 </section>
 
+<section id='ref-classes-siteconfig'>
+    <title><filename>siteconfig.bbclass</filename></title>
+
+    <para>
+        The <filename>siteconfig</filename> class
+        provides functionality for handling site configuration.
+        The class is used by the
+        <link linkend='ref-classes-autotools'><filename>autotools</filename></link>
+        class to accelerate the <filename>do_configure</filename> task.
+    </para>
+</section>
+
 <section id='ref-classes-package_tar'>
     <title><filename>package_tar.bbclass</filename></title>